diff --git a/issue_template/bug.yaml b/issue_template/bug.yaml
index 3a21f1399..3cb83b225 100644
--- a/issue_template/bug.yaml
+++ b/issue_template/bug.yaml
@@ -64,7 +64,7 @@ body:
     id: terms
     attributes:
       label: Contribution Guidelines
-      description: By submitting this issue, you agree to follow our [Contribution Guidelines](https://codeberg.org/calckey/calckey/src/branch/develop/CONTRIBUTING.md)
+      description: By submitting this issue, you agree to follow our [Contribution Guidelines](https://lavaforge.org/calckey/calckey/src/branch/develop/CONTRIBUTING.md)
       options:
         - label: I agree to follow this project's Contribution Guidelines
           required: true
diff --git a/issue_template/feature.yaml b/issue_template/feature.yaml
index 32f7f2c10..6f0d25565 100644
--- a/issue_template/feature.yaml
+++ b/issue_template/feature.yaml
@@ -64,7 +64,7 @@ body:
     id: terms
     attributes:
       label: Contribution Guidelines
-      description: By submitting this issue, you agree to follow our [Contribution Guidelines](https://codeberg.org/calckey/calckey/src/branch/develop/CONTRIBUTING.md)
+      description: By submitting this issue, you agree to follow our [Contribution Guidelines](https://lavaforge.org/calckey/calckey/src/branch/develop/CONTRIBUTING.md)
       options:
         - label: I agree to follow this project's Contribution Guidelines
           required: true
diff --git a/package.json b/package.json
index bdb951ca6..d0ed19be3 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
 	"codename": "aqua",
 	"repository": {
 		"type": "git",
-		"url": "https://codeberg.org/calckey/calckey.git"
+		"url": "https://lavaforge.org/calckey/calckey.git"
 	},
 	"packageManager": "pnpm@7.24.3",
 	"private": true,
diff --git a/packages/backend/src/boot/master.ts b/packages/backend/src/boot/master.ts
index 193f02429..a9c47abc4 100644
--- a/packages/backend/src/boot/master.ts
+++ b/packages/backend/src/boot/master.ts
@@ -48,7 +48,7 @@ function greet() {
 				136,
 				0,
 			)(
-				" If you like Calckey, please consider starring or contributing to the repo. https://codeberg.org/calckey/calckey",
+				" If you like Calckey, please consider starring or contributing to the repo. https://lavaforge.org/calckey/calckey",
 			),
 		);
 
diff --git a/packages/backend/src/models/entities/meta.ts b/packages/backend/src/models/entities/meta.ts
index 26a7c9c19..c22a2d9b9 100644
--- a/packages/backend/src/models/entities/meta.ts
+++ b/packages/backend/src/models/entities/meta.ts
@@ -394,14 +394,14 @@ export class Meta {
 
 	@Column('varchar', {
 		length: 512,
-		default: 'https://codeberg.org/calckey/calckey',
+		default: 'https://lavaforge.org/calckey/calckey',
 		nullable: false,
 	})
 	public repositoryUrl: string;
 
 	@Column('varchar', {
 		length: 512,
-		default: 'https://codeberg.org/calckey/calckey/issues/new',
+		default: 'https://lavaforge.org/calckey/calckey/issues/new',
 		nullable: true,
 	})
 	public feedbackUrl: string | null;
diff --git a/packages/backend/src/server/api/endpoints/latest-version.ts b/packages/backend/src/server/api/endpoints/latest-version.ts
index 54e77734e..a7751234b 100644
--- a/packages/backend/src/server/api/endpoints/latest-version.ts
+++ b/packages/backend/src/server/api/endpoints/latest-version.ts
@@ -17,7 +17,7 @@ export const paramDef = {
 export default define(meta, paramDef, async () => {
 	let tag_name;
 	await fetch(
-		"https://codeberg.org/api/v1/repos/calckey/calckey/releases?draft=false&pre-release=false&page=1&limit=1",
+		"https://lavaforge.org/api/v1/repos/calckey/calckey/releases?draft=false&pre-release=false&page=1&limit=1",
 	)
 		.then((response) => response.json())
 		.then((data) => {
diff --git a/packages/backend/src/server/api/endpoints/meta.ts b/packages/backend/src/server/api/endpoints/meta.ts
index 0aadfff22..1002b75fe 100644
--- a/packages/backend/src/server/api/endpoints/meta.ts
+++ b/packages/backend/src/server/api/endpoints/meta.ts
@@ -68,13 +68,13 @@ export const meta = {
 				type: "string",
 				optional: false,
 				nullable: false,
-				default: "https://codeberg.org/calckey/calckey",
+				default: "https://lavaforge.org/calckey/calckey",
 			},
 			feedbackUrl: {
 				type: "string",
 				optional: false,
 				nullable: false,
-				default: "https://codeberg.org/calckey/calckey/issues",
+				default: "https://lavaforge.org/calckey/calckey/issues",
 			},
 			defaultDarkTheme: {
 				type: "string",
diff --git a/packages/backend/src/server/api/endpoints/patrons.ts b/packages/backend/src/server/api/endpoints/patrons.ts
index 9d4ff0b34..545374b6a 100644
--- a/packages/backend/src/server/api/endpoints/patrons.ts
+++ b/packages/backend/src/server/api/endpoints/patrons.ts
@@ -18,7 +18,7 @@ export const paramDef = {
 export default define(meta, paramDef, async () => {
 	let patrons;
 	await fetch(
-		"https://codeberg.org/calckey/calckey/raw/branch/develop/patrons.json",
+		"https://lavaforge.org/calckey/calckey/raw/branch/develop/patrons.json",
 	)
 		.then((response) => response.json())
 		.then((data) => {
diff --git a/packages/backend/src/server/api/endpoints/release.ts b/packages/backend/src/server/api/endpoints/release.ts
index d1c1b6dc5..19fe6bfd0 100644
--- a/packages/backend/src/server/api/endpoints/release.ts
+++ b/packages/backend/src/server/api/endpoints/release.ts
@@ -19,7 +19,7 @@ export default define(meta, paramDef, async () => {
 	let release;
 
 	await fetch(
-		"https://codeberg.org/calckey/calckey/raw/branch/develop/release.json",
+		"https://lavaforge.org/calckey/calckey/raw/branch/develop/release.json",
 	)
 		.then((response) => response.json())
 		.then((data) => {
diff --git a/packages/backend/src/server/api/openapi/gen-spec.ts b/packages/backend/src/server/api/openapi/gen-spec.ts
index dfaacf9e5..9bd248abb 100644
--- a/packages/backend/src/server/api/openapi/gen-spec.ts
+++ b/packages/backend/src/server/api/openapi/gen-spec.ts
@@ -15,7 +15,7 @@ export function genOpenapiSpec() {
 
 		externalDocs: {
 			description: "Repository",
-			url: "https://codeberg.org/calckey/calckey",
+			url: "https://lavaforge.org/calckey/calckey",
 		},
 
 		servers: [
@@ -106,7 +106,7 @@ export function genOpenapiSpec() {
 			description: desc,
 			externalDocs: {
 				description: "Source code",
-				url: `https://codeberg.org/calckey/calckey/src/branch/develop/packages/backend/src/server/api/endpoints/${endpoint.name}.ts`,
+				url: `https://lavaforge.org/calckey/calckey/src/branch/develop/packages/backend/src/server/api/endpoints/${endpoint.name}.ts`,
 			},
 			tags: endpoint.meta.tags || undefined,
 			security,
diff --git a/packages/backend/src/server/web/views/base.pug b/packages/backend/src/server/web/views/base.pug
index b5841883b..da26da641 100644
--- a/packages/backend/src/server/web/views/base.pug
+++ b/packages/backend/src/server/web/views/base.pug
@@ -16,7 +16,7 @@ doctype html
 
 		Thank you for using Calckey!
 		If you are reading this message... how about joining the development?
-		https://codeberg.org/calckey/calckey
+		https://lavaforge.org/calckey/calckey
 
 html
 
diff --git a/packages/client/src/pages/about-calckey.vue b/packages/client/src/pages/about-calckey.vue
index 880af1f96..53631ca1e 100644
--- a/packages/client/src/pages/about-calckey.vue
+++ b/packages/client/src/pages/about-calckey.vue
@@ -12,14 +12,14 @@
 					<span v-for="emoji in easterEggEmojis" :key="emoji.id" class="emoji" :data-physics-x="emoji.left" :data-physics-y="emoji.top" :class="{ _physics_circle_: !emoji.emoji.startsWith(':') }"><MkEmoji class="emoji" :emoji="emoji.emoji" :custom-emojis="$instance.emojis" :is-reaction="false" :normal="true" :no-style="true"/></span>
 				</div>
 				<div class="_formBlock" style="text-align: center;">
-					{{ i18n.ts._aboutMisskey.about }}<br><a href="https://codeberg.org/calckey/calckey" target="_blank" class="_link">{{ i18n.ts.learnMore }}</a>
+					{{ i18n.ts._aboutMisskey.about }}<br><a href="https://lavaforge.org/calckey/calckey" target="_blank" class="_link">{{ i18n.ts.learnMore }}</a>
 				</div>
 				<div class="_formBlock" style="text-align: center;">
 					<MkButton primary rounded inline @click="iLoveMisskey">I <Mfm text="$[jelly ❤]"/> #Calckey</MkButton>
 				</div>
 				<FormSection>
 					<div class="_formLinks">
-						<FormLink to="https://codeberg.org/calckey/calckey" external>
+						<FormLink to="https://lavaforge.org/calckey/calckey" external>
 							<template #icon><i class="ph-code-bold ph-lg"></i></template>
 							{{ i18n.ts._aboutMisskey.source }}
 							<template #suffix>Codeberg</template>
@@ -44,7 +44,7 @@
 						<FormLink to="/@syuilo@misskey.io"><Mfm :text="'@syuilo@misskey.io (Original Misskey developer)'"/></FormLink>
 						<FormLink to="https://www.youtube.com/c/Henkiwashere" external>Henki (error images artist)</FormLink>
 					</div>
-					<template #caption><MkLink url="https://codeberg.org/calckey/calckey/activity">{{ i18n.ts._aboutMisskey.allContributors }}</MkLink></template>
+					<template #caption><MkLink url="https://lavaforge.org/calckey/calckey/activity">{{ i18n.ts._aboutMisskey.allContributors }}</MkLink></template>
 				</FormSection>
 				<FormSection>
 					<template #label><Mfm text="$[jelly ❤]"/> {{ i18n.ts._aboutMisskey.patrons }}</template>
diff --git a/packages/client/src/pages/admin/index.vue b/packages/client/src/pages/admin/index.vue
index 736b40b12..d92025575 100644
--- a/packages/client/src/pages/admin/index.vue
+++ b/packages/client/src/pages/admin/index.vue
@@ -11,7 +11,7 @@
 				<MkInfo v-if="noMaintainerInformation" warn class="info">{{ i18n.ts.noMaintainerInformationWarning }} <MkA to="/admin/settings" class="_link">{{ i18n.ts.configure }}</MkA></MkInfo>
 				<MkInfo v-if="noBotProtection" warn class="info">{{ i18n.ts.noBotProtectionWarning }} <MkA to="/admin/security" class="_link">{{ i18n.ts.configure }}</MkA></MkInfo>
 				<MkInfo v-if="noEmailServer" warn class="info">{{ i18n.ts.noEmailServerWarning }} <MkA to="/admin/email-settings" class="_link">{{ i18n.ts.configure }}</MkA></MkInfo>
-				<MkInfo v-if="updateAvailable" warn class="info">{{ i18n.ts.updateAvailable }} <a href="https://codeberg.org/calckey/calckey/releases" target="_bank" class="_link">{{ i18n.ts.check }}</a></MkInfo>
+				<MkInfo v-if="updateAvailable" warn class="info">{{ i18n.ts.updateAvailable }} <a href="https://lavaforge.org/calckey/calckey/releases" target="_bank" class="_link">{{ i18n.ts.check }}</a></MkInfo>
 
 				<MkSuperMenu :def="menuDef" :grid="currentPage?.route.name == null"></MkSuperMenu>
 			</div>
diff --git a/packages/client/src/ui/visitor/a.vue b/packages/client/src/ui/visitor/a.vue
index 1481b80a0..978074ea2 100644
--- a/packages/client/src/ui/visitor/a.vue
+++ b/packages/client/src/ui/visitor/a.vue
@@ -28,7 +28,7 @@
 			</main>
 			<div class="powered-by">
 				<b><MkA to="/">{{ host }}</MkA></b>
-				<small>Powered by <a href="https://codeberg.org/calckey/calckey" target="_blank">Calckey</a></small>
+				<small>Powered by <a href="https://lavaforge.org/calckey/calckey" target="_blank">Calckey</a></small>
 			</div>
 		</div>
 	</div>
diff --git a/packages/client/src/ui/visitor/b.vue b/packages/client/src/ui/visitor/b.vue
index 03186981e..68ef9b90e 100644
--- a/packages/client/src/ui/visitor/b.vue
+++ b/packages/client/src/ui/visitor/b.vue
@@ -14,7 +14,7 @@
 			</main>
 			<div v-if="!root" class="powered-by">
 				<b><MkA to="/">{{ host }}</MkA></b>
-				<small>Powered by <a href="https://codeberg.org/calckey/calckey" target="_blank">Calckey</a></small>
+				<small>Powered by <a href="https://lavaforge.org/calckey/calckey" target="_blank">Calckey</a></small>
 			</div>
 		</div>
 	</div>
diff --git a/packages/client/src/ui/visitor/kanban.vue b/packages/client/src/ui/visitor/kanban.vue
index 28b222697..7572aaf22 100644
--- a/packages/client/src/ui/visitor/kanban.vue
+++ b/packages/client/src/ui/visitor/kanban.vue
@@ -28,7 +28,7 @@
 				</div>
 				<div v-if="poweredBy" class="powered-by">
 					<b><MkA to="/">{{ host }}</MkA></b>
-					<small>Powered by <a href="https://codeberg.org/calckey/calckey" target="_blank">Calckey</a></small>
+					<small>Powered by <a href="https://lavaforge.org/calckey/calckey" target="_blank">Calckey</a></small>
 				</div>
 			</template>
 		</div>